On Data quality
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Transcript of On Data quality
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MAPPING PARADIGM
A. TEMPLATE-DEPENDENT ERROR-PRONE HETEROGENEOUS USAGE
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B. FULLY MANUAL COSTLY
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SolutionMACHINE LEARNING-BASED METHODS
TYPE INFERENCE CONFIDENCE SCORE MAPPING ASSISTANT
Problem
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ONTOLOGY
COMMUNITY-BASED SHALLOW SEMANTICS LACK OF COVERAGE UNBALANCED • TOO GENERIC • REDUNDANT
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SolutionA. CONSISTENCY CHECK
CLASS USAGE B. DATA-DRIVEN SCHEMA
WIKIPEDIA CATEGORIES
Problem
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LINKING MULTIMEDIA DATA SOURCESPHOTO AUDIO VIDEO
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PHOTO !
FLICKR WRAPPERMAINTENANCE? UPDATES?
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AUDIOBANDCAMP GROOVESHARK RDIO SOUNDCLOUD
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VIDEOIMDB ROTTEN TOMATOES VIMEO YOUTUBE
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